23910385571 has 2 divisors, whose sum is σ = 23910385572. Its totient is φ = 23910385570.

The previous prime is 23910385561. The next prime is 23910385589. The reversal of 23910385571 is 17558301932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23910385571 - 2¹⁸ = 23910123427 is a prime.

It is not a weakly prime, because it can be changed into another prime (23910385561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11955192785 + 11955192786.

It is an arithmetic number, because the mean of its divisors is an integer number (11955192786).

Almost surely, 2^23910385571 is an apocalyptic number.

23910385571 is a deficient number, since it is larger than the sum of its proper divisors (1).

23910385571 is an equidigital number, since it uses as much as digits as its factorization.

23910385571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 23910385571 in words is "twenty-three billion, nine hundred ten million, three hundred eighty-five thousand, five hundred seventy-one".